| Identity |
| Name: | Achernar, alpha Eridani |
| Hipparcos catalog ID: | 7588 |
| Other star catalog entries: | HD 10144
SAO 232481
CPD P-57 334
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| Appearance |
| Visual magnitude: | 0.45 (source: ground based) |
| Spectral type: | B3Vp |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 1h 37m 42.75170s (+/-0.00006s) |
| Declination | -57° 14' 11.9755" (+/-0.0004") |
| Parallax: | 23.39 (+/-0.57) mas |
| Derived distance: | 139 light-years |
| Proper motion in R.A.: | 87 (+/-0.58) mas/year |
| Proper motion in declination: | -38.24 (+/-0.5) mas/year |
| Constellation: | Eridanus | |